feat: Add read date field to book creation with tests

src/main/java/ru/cathub/telegabot/model/Book.java

@@ -19,8 +19,11 @@ public class Book {
     private String title;
     private String author;
     private Integer rating;
+    
+    @Column(name = "read_date")
+    private Date readDate;
 
     @ManyToOne
     @JoinColumn(name = "bot_user_id")
     private BotUser botUser;
-}
+}

src/main/java/ru/cathub/telegabot/model/BookCreationCache.java

@@ -11,12 +11,14 @@ public class BookCreationCache {
     public enum CreationState {
         ADDING_TITLE,
         ADDING_AUTHOR, 
-        ADDING_RATING
+        ADDING_RATING,
+        ADDING_DATE
     }
     
     private String title;
     private String author;
     private Integer rating;
+    private Date readDate;
     @Setter
     @Getter
     private CreationState creationState = CreationState.ADDING_TITLE;

src/main/java/ru/cathub/telegabot/service/impl/BookCreationServiceImpl.java

@@ -65,6 +65,14 @@ public class BookCreationServiceImpl implements BookCreationService {
                 case ADDING_RATING -> {
                     int rating = validateAndParseRating(text);
                     cache.setRating(rating);
+                    cache.setCreationState(CreationState.ADDING_DATE);
+                    bookCacheService.updateCache(user.getId(), cache);
+                    telegramClientService.sendMessage(user, "📅 Введите дату прочтения (в формате ДД.ММ.ГГГГ):");
+                }
+                
+                case ADDING_DATE -> {
+                    Date readDate = parseDate(text.trim());
+                    cache.setReadDate(readDate);
                     bookCacheService.updateCache(user.getId(), cache);
 
                     // Создаем и сохраняем книгу
@@ -108,6 +116,7 @@ public class BookCreationServiceImpl implements BookCreationService {
                 .title(cache.getTitle())
                 .author(cache.getAuthor())
                 .rating(cache.getRating())
+                .readDate(cache.getReadDate())
                 .botUser(user)
                 .build();
     }

src/main/resources/db/migration/V2__Add_read_date_column.sql

@@ -0,0 +1 @@
+ALTER TABLE books ADD COLUMN read_date DATE;

src/test/java/ru/cathub/telegabot/service/impl/BookCreationServiceImplTest.java

@@ -110,7 +110,7 @@ class BookCreationServiceImplTest {
     }
 
     @Test
-    void handleValidRating_ShouldSaveBookAndClearCache() {
+    void handleValidRating_ShouldTransitionToDateState() {
         // Given
         BookCreationCache ratingCache = new BookCreationCache();
         ratingCache.setTitle("Valid Title");
@@ -122,16 +122,10 @@ class BookCreationServiceImplTest {
         bookCreationService.handleExistingAddCache(testUser, "4");
 
         // Then
-        ArgumentCaptor<Book> captor = ArgumentCaptor.forClass(Book.class);
-        verify(bookRepository).save(captor.capture());
-
-        Book savedBook = captor.getValue();
-        assertEquals("Valid Title", savedBook.getTitle());
-        assertEquals("John Doe", savedBook.getAuthor());
-        assertEquals(4, savedBook.getRating());
-
-        verify(bookCacheService).clearCache(1L);
-        verify(telegramClientService).sendMessageWithMarkdown(eq(testUser), contains("успешно добавлена"));
+        verify(bookCacheService).updateCache(eq(1L), argThat(cache ->
+            cache.getCreationState() == BookCreationCache.CreationState.ADDING_DATE
+        ));
+        verify(telegramClientService).sendMessage(eq(testUser), contains("дату прочтения"));
     }
 
     @Test
@@ -152,3 +146,44 @@ class BookCreationServiceImplTest {
         verify(bookRepository, never()).save(any());
     }
 }
+    @Test
+    void handleValidDate_ShouldSaveBookAndClearCache() throws Exception {
+        // Given
+        BookCreationCache dateCache = new BookCreationCache();
+        dateCache.setTitle("Valid Title");
+        dateCache.setAuthor("John Doe");
+        dateCache.setRating(4);
+        dateCache.setCreationState(BookCreationCache.CreationState.ADDING_DATE);
+        when(bookCacheService.getCache(1L)).thenReturn(dateCache);
+
+        // When
+        bookCreationService.handleExistingAddCache(testUser, "15.07.2023");
+
+        // Then
+        ArgumentCaptor<Book> captor = ArgumentCaptor.forClass(Book.class);
+        verify(bookRepository).save(captor.capture());
+
+        Book savedBook = captor.getValue();
+        assertEquals("Valid Title", savedBook.getTitle());
+        assertEquals("John Doe", savedBook.getAuthor());
+        assertEquals(4, savedBook.getRating());
+        assertEquals(java.sql.Date.valueOf("2023-07-15"), savedBook.getReadDate());
+
+        verify(bookCacheService).clearCache(1L);
+        verify(telegramClientService).sendMessageWithMarkdown(eq(testUser), contains("успешно добавлена"));
+    }
+
+    @Test
+    void handleInvalidDate_ShouldSendErrorMessage() {
+        // Given
+        BookCreationCache dateCache = new BookCreationCache();
+        dateCache.setCreationState(BookCreationCache.CreationState.ADDING_DATE);
+        when(bookCacheService.getCache(1L)).thenReturn(dateCache);
+
+        // When
+        bookCreationService.handleExistingAddCache(testUser, "invalid-date");
+
+        // Then
+        verify(telegramClientService).sendMessage(eq(testUser), contains("неверный формат"));
+        verify(bookRepository, never()).save(any());
+    }